810 SA - Usag direct reading torque wrenches with reversible ratchet, compliant with ISO 6789. Equipped with a snap mechanism with automatic reset, it offers a precision of ±4% and a direct reading system of the torque. It has a double scale Nm/ft.lb and a 72-tooth reversible ratchet. Built with steel tube and ergonomic handle, it is resistant to oils and chemical agents. Variable capacity depending on the model, supplied with calibration certificate and REACH declaration.